2025ttd

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Information

Transient

Name: AT2025ttd
Right ascension: 13h21m54.90s
Declination: -27d39m00.80s
Discovery Date: Aug. 13, 2025, 12:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.058

Host

Name: 751969
Right ascension: 13h21m56.02s
Declination: -27d38m30.50s
Redshift: 0.079989
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
failed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.28
Cutout download processed 42.61
Global aperture construction processed 0.67
Local aperture photometry processed 4.56
Global aperture photometry processed 3.74
Validate local photometry processed 0.02
Validate global photometry processed 11.43
Host information processed 0.15
Global host SED inference processed 539.43
Local host SED inference failed 0.01
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
Processing status blocked N/A N/A
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 13h21m54.90s, -27d39m00.80s
semi major axis, semi minor axis (arcsec) = 1.33, 1.33
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g -0.34 0.34 AB
PanSTARRS_r -0.66 0.46 AB
PanSTARRS_i -0.01 0.53 AB
PanSTARRS_z -0.96 1.03 AB
PanSTARRS_y -2.42 2.41 AB

Aperture details

RA, DEC (J2000) = 13h21m56.00s, -27d38m31.05s
semi major axis, semi minor axis (arcsec) = 25.4, 15.34
angle (degrees, anti-clockwise from east) = -52.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.31 6.89 19.834 0.177 AB
GALEX_NUV 16.72 3.89 20.842 0.252 AB
PanSTARRS_g 3080.84 5.33 15.178 0.002 AB
PanSTARRS_r 6545.17 7.14 14.360 0.001 AB
PanSTARRS_i 9714.41 8.44 13.931 0.001 AB
PanSTARRS_z 12798.34 16.06 13.632 0.001 AB
PanSTARRS_y 15402.25 35.98 13.431 0.003 AB
2MASS_J 20448.5 514.91 12.228 0.027 Vega
2MASS_H 24505.08 729.69 11.559 0.032 Vega
2MASS_K 21387.01 910.64 11.237 0.046 Vega
WISE_W1 10962.57 96.93 11.101 0.010 Vega
WISE_W2 6604.93 88.44 11.011 0.015 Vega
WISE_W4 363.46 686.01 10.879 2.049 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.696 11.775 11.813
{\rm log}_{10}({\rm SFR}) -1.267 -0.774 -0.421
{\rm log}_{10}({\rm sSFR}) -13.043 -12.533 -12.173
{\rm stellar\ age} 8.164 10.958 12.044

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.388 -0.247 -0.146
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.408 -0.515 0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.051 0.105 0.181
\delta -0.584 -0.166 0.155
\tau_1/\tau_2 0.620 1.015 1.415
Q_{PAH} 0.845 3.963 5.840
U_{min} 2.976 8.735 16.214
{\rm log}_{10}(\gamma_e)\, -1.622 -0.706 -0.160

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.255 -3.150 -2.076
{\rm log}_{10}(\tau_{AGN})\, 1.277 1.780 2.050

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.202 -0.670 -0.334
0.03-0.10 Gyr -2.282 -0.936 -0.420
0.10-0.33 Gyr -2.135 -0.838 -0.222
0.33-1.07 Gyr -2.317 -0.813 -0.061
1.07-3.50 Gyr -1.778 -0.183 0.771
3.50-11.43 Gyr -0.563 1.433 1.946
11.43-12.70 Gyr 2.045 2.803 2.954